Why Is It That All Neurons in a Healthy Adult

question 85

Multiple Choice

 Why is it that all neurons in a healthy adult brain have made appropriate connections?

• A) Chemical messages from our muscles tell our brain how many neurons to form.
• B) If an axon does not make the appropriate connections by a certain age, it dies.
• C) We are born with all connections formed.
• D) Connections form rapidly, but we learn to use whatever connections have formed.

---

Definitions:

Technological Reliability

The probability that a device or system will perform its required function under stated conditions for a specified period of time.

Human Reliability

The study and application of psychological, physiological and engineering principles to improve the reliability and safety of systems through understanding human behavior and capabilities.

Pesticide-Resistant Insects

Insects that have developed immunity or tolerance to pesticides, making chemical control methods less effective.

Antibiotic-Resistant Bacteria

Bacteria that have developed resistance to one or more antibiotics, making infections harder to treat and increasing the risk of disease spread.